Chapter 8, Problem 5RE

(a)

To determine

To conclude: The total energy for the duration of pregnancy is qualitative or quantitative

(b)

To determine

Probability that a pregnant woman needs more than 2625 kcal/day energy

To determine

To conclude: Probability that a pregnant woman needs more than 2625 kcal/day energy is 0.3085 is unusual.

(c)

To determine

Sampling distribution of $\overline{x}$, the sample mean daily energy necessity for a sample of 20 pregnant woman

(d)

To determine

Probability that 20 randomly selected females need more than 2625 kcal/day energy

To determine

To conclude: Probability that 20 randomly selected females need more than 2625kcal/day energy is 0.0125 is unusual.